Installation and operating instruction
Oil condensing boiler WTC-OB 18-B
6 Operation
83311002 1/2018-03 La
35-132
6.1.2 Display
The display shows the current operating statuses and operating data.
Symbols are shown or hidden depending on the system variation.
If a remote control (e. g. WCM-FS) is connected, the temperature control is carried
out by the remote control. Symbols
9
…
q
are hidden. If the communication
between the electronics and the remote control fails, the symbols for emergency
operation are displayed.
1
2
3
4
7
8
9
0
q
6
5
1
Burner in operation
2
Heating operation activated
Symbol flashes: boiler frost protection activated
3
DHW operation activated
Symbol flashes: DHW frost protection activated
4
Fault
5
Servicing indication; commissioning program activated
6
Flow temperature (standard display); parameters and values
7
Frost protection activated
8
Standby
9
Summer setting activated (no heating operation)
0
Heating at night setback value
q
Heating at setpoint value
Display sensor interruption or sensor short circuit
Display burner rapid cycle interlock
Flame monitor
A light emitting diode on the flame sensor indicates the current operating status.
LED off
Flame sensor not activated
LED flashing
no flame
LED continuously illuminated Flame present